/* ==========================================================================
   NEXKART DIGITAL — STYLESHEET (Redesign)
   1. Design Tokens
   2. Reset & Base
   3. Typography
   4. Layout Primitives
   5. Scroll Progress + Header + Wordmark
   6. Full-Screen Index Navigation
   7. Chapter Indicator
   8. Buttons
   9. 01 Hero
   10. 02 Digital Commerce Identity
   11. 03 Ecosystem Diagram
   12. 04 Category Gallery
   13. 05 Operations (sticky scrollytelling)
   14. 06 Technology (blueprint grid)
   15. 07 Partnership Tabs
   16. 08 Behind The Business (collage)
   17. 09 Industry Perspective
   18. 10 Company Story (timeline)
   19. 11 Trust (registry)
   20. 12 Contact
   21. 13 Final Statement
   22. Footer
   23. Utilities (back-to-top, lazy-img, reveal)
   24. Responsive
   ========================================================================== */

/* ==========================================================================
   1. DESIGN TOKENS
   ========================================================================== */
:root {
  --ink: #191115;
  --ink-soft: #372a2f;
  --paper: #ffffff;
  --surface: #ffffff;
  --surface-muted: #f6f1f2;
  --border: #e6e0e1;
  --border-strong: #d1c7c9;
  --muted: #6e6469;

  --accent: #6d2438;
  --accent-deep: #4a1826;
  --accent-soft: #f1e2e6;
  --accent-on-dark: #d08b99;

  --success: #3f6b45;
  --error: #b3261e;
  --focus-ring: #6d2438;

  --font-display: 'Instrument Serif', Georgia, 'Times New Roman', serif;
  --font-body: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-md: 1.125rem;
  --text-lg: 1.375rem;
  --text-xl: clamp(1.5rem, 1.3rem + 0.8vw, 1.95rem);
  --text-2xl: clamp(1.9rem, 1.5rem + 1.6vw, 2.75rem);
  --text-3xl: clamp(2.2rem, 1.6rem + 2.6vw, 3.4rem);
  --text-hero: clamp(2.9rem, 1.7rem + 5.2vw, 5.5rem);

  --lh-tight: 1.05;
  --lh-snug: 1.28;
  --lh-normal: 1.55;
  --lh-relaxed: 1.75;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;
  --space-10: 8rem;

  --container-max: 1280px;
  --container-pad: clamp(1.25rem, 4vw, 3rem);
  --section-py: 4.5rem;

  --transition-fast: 150ms ease;
  --transition-base: 280ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 450ms cubic-bezier(0.4, 0, 0.2, 1);

  --z-header: 50;
  --z-progress: 60;
  --z-fab: 40;
  --z-index-nav: 200;

  --header-height: 84px;
}

/* ==========================================================================
   2. RESET & BASE
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--lh-normal);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }
svg use { pointer-events: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
p { margin: 0 0 var(--space-4); }
h1, h2, h3, h4 { margin: 0; font-family: var(--font-display); font-weight: 400; line-height: var(--lh-tight); color: var(--ink); letter-spacing: -0.01em; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
input, textarea, select { font-family: inherit; font-size: inherit; color: inherit; }

:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 3px; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 999;
  background: var(--ink); color: var(--paper); padding: var(--space-3) var(--space-5);
}
.skip-link:focus { left: var(--space-4); top: var(--space-4); }

/* ==========================================================================
   3. TYPOGRAPHY
   ========================================================================== */
.eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 var(--space-3);
}
.eyebrow--light { color: var(--accent-on-dark); }

.section__intro { font-size: var(--text-md); color: var(--muted); max-width: 62ch; line-height: var(--lh-relaxed); margin-top: var(--space-4); }
.section__intro--light { color: #c7bcc0; }

h2 { font-size: var(--text-3xl); margin-bottom: var(--space-4); }
h3 { font-size: var(--text-lg); margin-bottom: var(--space-2); font-family: var(--font-body); font-weight: 700; }

.placeholder-text { color: var(--muted); font-style: italic; }

/* ==========================================================================
   4. LAYOUT PRIMITIVES
   ========================================================================== */
.container { max-width: var(--container-max); margin-inline: auto; padding-inline: var(--container-pad); }
main section { scroll-margin-top: var(--header-height); }

/* ==========================================================================
   5. SCROLL PROGRESS + HEADER + WORDMARK
   ========================================================================== */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 2px; width: 0%;
  background: var(--accent); z-index: var(--z-progress);
}

.site-header {
  position: sticky; top: 0; z-index: var(--z-header);
  background: var(--paper);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-base);
}
.site-header.is-scrolled { border-bottom-color: var(--border); }

.header__inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-height); }

.wordmark { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-body); font-weight: 800; font-size: 1.1rem; letter-spacing: -0.01em; }
.wordmark span { font-family: var(--font-display); font-style: italic; font-weight: 400; color: var(--accent); margin-left: 2px; }
.wordmark__icon { width: 34px; height: 34px; flex-shrink: 0; color: var(--ink); --dot-color: var(--accent); }
.wordmark--footer { font-size: 1.3rem; color: var(--paper); }
.wordmark--footer span { color: var(--accent-on-dark); }
.wordmark--footer .wordmark__icon { width: 40px; height: 40px; color: var(--paper); --dot-color: var(--accent-on-dark); }

.menu-trigger { display: flex; align-items: center; gap: var(--space-4); background: none; border: none; padding: var(--space-2); }
.menu-trigger__label { font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase; font-weight: 700; }
.menu-trigger__lines { display: flex; flex-direction: column; gap: 5px; width: 22px; }
.menu-trigger__lines span { display: block; height: 1.5px; background: var(--ink); transition: transform var(--transition-base), opacity var(--transition-base); }
.menu-trigger[aria-expanded="true"] .menu-trigger__lines span:nth-child(1) { transform: translateY(3.25px) rotate(45deg); }
.menu-trigger[aria-expanded="true"] .menu-trigger__lines span:nth-child(2) { transform: translateY(-3.25px) rotate(-45deg); }

/* ==========================================================================
   6. FULL-SCREEN INDEX NAVIGATION
   ========================================================================== */
.site-index {
  position: fixed; inset: 0; z-index: var(--z-index-nav);
  background: var(--ink); color: var(--paper);
  opacity: 0; visibility: hidden; overflow-y: auto;
  transition: opacity var(--transition-slow), visibility 0s linear var(--transition-slow);
}
.site-index.is-open { opacity: 1; visibility: visible; transition: opacity var(--transition-slow); }

.site-index__inner {
  position: relative; min-height: 100%;
  padding-block: calc(var(--header-height) + var(--space-6)) var(--space-8);
  display: flex; flex-direction: column; justify-content: space-between; gap: var(--space-9);
}

.menu-close {
  position: absolute; top: var(--space-5); right: var(--container-pad);
  width: 40px; height: 40px; display: grid; place-items: center;
  background: none; border: 1px solid rgba(255,255,255,0.25);
}
.menu-close svg { width: 18px; height: 18px; stroke: var(--paper); fill: none; stroke-width: 1.8; }
.menu-close:hover { border-color: var(--paper); }

.site-index__list { display: flex; flex-direction: column; }
.index-link {
  display: flex; align-items: baseline; gap: var(--space-6);
  padding-block: var(--space-4);
  border-top: 1px solid rgba(255,255,255,0.14);
  transition: padding-left var(--transition-base);
}
.site-index__list li:last-child .index-link { border-bottom: 1px solid rgba(255,255,255,0.14); }
.index-link__num { font-family: var(--font-body); font-size: 0.9rem; font-weight: 700; color: var(--accent-on-dark); min-width: 3ch; }
.index-link__label { font-family: var(--font-display); font-size: clamp(1.6rem, 1.2rem + 2.2vw, 3rem); }
.index-link:hover { padding-left: var(--space-5); }
.index-link:hover .index-link__label { font-style: italic; }

.site-index__foot { display: flex; justify-content: space-between; align-items: flex-end; gap: var(--space-6); flex-wrap: wrap; }
.site-index__cta { display: flex; gap: var(--space-4); flex-wrap: wrap; }
.site-index__contact p { margin: 0 0 var(--space-2); color: #b3a5aa; font-size: var(--text-sm); }
.site-index__contact a { color: var(--paper); border-bottom: 1px solid rgba(255,255,255,0.3); }

/* ==========================================================================
   7. CHAPTER INDICATOR
   ========================================================================== */
.chapter-indicator {
  position: fixed; left: var(--space-5); bottom: var(--space-5); z-index: var(--z-fab);
  display: flex; align-items: center; gap: var(--space-3);
  background: var(--surface); border: 1px solid var(--border);
  padding: 0.55rem 0.9rem;
  font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted);
  pointer-events: none;
}
.chapter-indicator__num { color: var(--accent); font-weight: 800; }
.chapter-indicator.is-hidden { opacity: 0; transition: opacity var(--transition-fast); }

/* ==========================================================================
   8. BUTTONS
   ========================================================================== */
.btn {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: 0.85rem 1.6rem; font-size: var(--text-sm); font-weight: 700; letter-spacing: 0.01em;
  border: 1px solid transparent; border-radius: 0;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
  white-space: nowrap;
}
.btn svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 2; }
.btn:active { transform: translateY(1px); }

.btn--primary { background: var(--ink); color: var(--paper); }
.btn--primary:hover { background: var(--accent-deep); }

.btn--outline { background: transparent; color: var(--ink); border-color: var(--border-strong); }
.btn--outline:hover { border-color: var(--ink); }

.btn--text { background: none; border: none; padding: 0.85rem 0; color: var(--ink); text-decoration: underline; text-underline-offset: 4px; }
.btn--text:hover { color: var(--accent-deep); }

.btn--primary-inverse { background: var(--paper); color: var(--ink); }
.btn--primary-inverse:hover { background: #fff; }

.btn--outline-inverse { background: transparent; color: var(--paper); border-color: rgba(255,255,255,0.3); }
.btn--outline-inverse:hover { border-color: var(--paper); }

.btn--full { width: 100%; justify-content: center; padding: 1rem 1.6rem; }

/* ==========================================================================
   9. 01 HERO
   ========================================================================== */
.hero { position: relative; min-height: calc(100vh - var(--header-height)); display: flex; flex-direction: column; justify-content: center; }

.hero__spine {
  display: none;
  position: absolute; left: var(--space-4); top: 50%;
  transform: translateY(-50%) rotate(180deg); writing-mode: vertical-rl;
  font-size: 0.75rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted);
}

.hero__grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: var(--space-9); align-items: center; padding-block: var(--space-6); }
.hero__kicker { font-size: var(--text-xs); font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); margin-bottom: var(--space-4); }
.hero__title { font-size: var(--text-hero); line-height: 0.98; margin-bottom: var(--space-5); }
.hero__title em { font-style: italic; color: var(--accent-deep); }
.hero__desc { font-size: var(--text-md); color: var(--ink-soft); max-width: 46ch; line-height: var(--lh-relaxed); margin-bottom: var(--space-6); }
.hero__actions { display: flex; align-items: center; gap: var(--space-6); flex-wrap: wrap; }
.hero__media img { width: 100%; }

.hero__plate {
  position: relative;
  padding: var(--space-7) var(--space-6) var(--space-6);
  border: 1px solid var(--border);
  background-image: radial-gradient(var(--border) 1px, transparent 1px);
  background-size: 22px 22px;
  transition: transform 700ms cubic-bezier(0.4,0,0.2,1);
}
.hero__plate:hover { transform: translateY(-4px); }
.hero__plate::before, .hero__plate::after { content: ''; position: absolute; width: 10px; height: 10px; border-color: var(--border-strong); border-style: solid; }
.hero__plate::before { top: 10px; left: 10px; border-width: 1px 0 0 1px; }
.hero__plate::after { bottom: 10px; right: 10px; border-width: 0 1px 1px 0; }

.hero__plate-label, .hero__plate-caption {
  display: block; font-size: 0.7rem; letter-spacing: 0.13em; text-transform: uppercase; color: var(--muted);
}
.hero__plate-label { margin-bottom: var(--space-5); }
.hero__plate-caption { margin-top: var(--space-5); }

.hero__plate-imgs { position: relative; aspect-ratio: 3 / 4; }
.hero__plate-img { position: absolute; width: auto; height: auto; object-fit: cover; border: 1px solid var(--ink); background: var(--surface-muted); }
.hero__plate-img.hero__plate-img--main { top: 0; left: 0; width: 64%; height: 62%; z-index: 1; }
.hero__plate-img.hero__plate-img--accent { bottom: 0; right: 0; width: 48%; height: 44%; z-index: 2; box-shadow: 0 16px 32px -12px rgba(25,17,21,0.3); }
.hero__plate-dot { position: absolute; top: 6%; right: 20%; width: 12px; height: 12px; border-radius: 50%; background: var(--accent); z-index: 2; }

.hero__meta {
  display: flex; gap: var(--space-8);
  margin: var(--space-6) 0 0; padding-top: var(--space-5);
  border-top: 1px solid var(--border);
  max-width: 40rem;
}
.hero__meta-item dt { font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); margin-bottom: var(--space-2); }
.hero__meta-item dd { margin: 0; font-weight: 700; font-size: var(--text-sm); }

.hero__cue { position: absolute; bottom: var(--space-6); left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: var(--space-3); font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.hero__cue-line { position: relative; width: 1px; height: 36px; background: var(--border-strong); overflow: hidden; }
.hero__cue-line::after { content: ''; position: absolute; top: -100%; left: 0; width: 100%; height: 100%; background: var(--accent); animation: cueDrop 2.4s ease-in-out infinite; }
@keyframes cueDrop { 0% { top: -100%; } 55% { top: 100%; } 100% { top: 100%; } }

/* ==========================================================================
   10. 02 DIGITAL COMMERCE IDENTITY
   ========================================================================== */
.identity { padding-block: var(--space-8); }
.identity__inner { position: relative; max-width: 980px; margin-inline: auto; padding-block: var(--space-4); }
.identity__statement { font-family: var(--font-display); font-size: clamp(1.8rem, 1.3rem + 2.4vw, 3.1rem); line-height: 1.32; text-align: center; }
.identity__statement em { font-style: italic; color: var(--accent-deep); }
.identity__accent { font-style: italic; color: var(--accent); }
.identity__note { display: none; position: absolute; font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }

/* ==========================================================================
   11. 03 ECOSYSTEM DIAGRAM
   ========================================================================== */
.ecosystem { padding-block: var(--section-py); }
.ecosystem__diagram {
  display: none;
  position: relative;
  margin-top: var(--space-7);
  padding: var(--space-7) var(--space-6) var(--space-6);
  border: 1px solid var(--border);
  background-image: radial-gradient(var(--border) 1px, transparent 1px);
  background-size: 22px 22px;
}
.ecosystem__diagram::before, .ecosystem__diagram::after { content: ''; position: absolute; width: 10px; height: 10px; border-color: var(--border-strong); border-style: solid; }
.ecosystem__diagram::before { top: 10px; left: 10px; border-width: 1px 0 0 1px; }
.ecosystem__diagram::after { bottom: 10px; right: 10px; border-width: 0 1px 1px 0; }
.ecosystem__diagram-label, .ecosystem__diagram-caption {
  position: absolute; left: var(--space-6);
  font-size: 0.7rem; letter-spacing: 0.13em; text-transform: uppercase; color: var(--muted);
}
.ecosystem__diagram-label { top: var(--space-5); }
.ecosystem__diagram-caption { bottom: var(--space-5); }
.ecosystem__svg { width: 100%; height: auto; overflow: visible; display: block; }
.ecosystem__line { stroke: var(--border-strong); stroke-width: 1.5; stroke-dasharray: 2200; stroke-dashoffset: 2200; transition: stroke-dashoffset 1500ms cubic-bezier(0.4,0,0.2,1), stroke 500ms ease; }
.ecosystem__diagram.in-view .ecosystem__line { stroke-dashoffset: 0; stroke: var(--accent); }
.ecosystem__node { opacity: 0; transform: scale(0.6); transform-box: fill-box; transform-origin: center; transition: opacity 500ms ease, transform 500ms ease; }
.ecosystem__diagram.in-view .ecosystem__node { opacity: 1; transform: scale(1); }
.ecosystem__diagram.in-view .ecosystem__node:nth-of-type(1) { transition-delay: 80ms; }
.ecosystem__diagram.in-view .ecosystem__node:nth-of-type(2) { transition-delay: 200ms; }
.ecosystem__diagram.in-view .ecosystem__node:nth-of-type(3) { transition-delay: 340ms; }
.ecosystem__diagram.in-view .ecosystem__node:nth-of-type(4) { transition-delay: 480ms; }
.ecosystem__diagram.in-view .ecosystem__node:nth-of-type(5) { transition-delay: 600ms; }
.ecosystem__diagram.in-view .ecosystem__node:nth-of-type(6) { transition-delay: 720ms; }
.ecosystem__node circle { fill: var(--paper); stroke: var(--ink); stroke-width: 1.5; }
.ecosystem__node text { font-family: var(--font-body); font-size: 15px; font-weight: 700; fill: var(--ink-soft); }
.ecosystem__node--hub circle { fill: var(--accent); stroke: var(--accent); }
.ecosystem__hub-label { fill: var(--paper) !important; font-family: var(--font-display) !important; font-style: italic; font-size: 17px !important; font-weight: 400 !important; }

.ecosystem__chain { display: flex; flex-direction: column; position: relative; padding-left: 28px; margin-top: var(--space-7); }
.ecosystem__chain::before { content: ''; position: absolute; left: 5px; top: 12px; bottom: 12px; width: 1px; background: var(--border-strong); }
.ecosystem__chain li { position: relative; padding-block: var(--space-3); font-weight: 700; }
.ecosystem__chain-dot { position: absolute; left: -28px; top: 50%; transform: translateY(-50%); width: 10px; height: 10px; border-radius: 50%; background: var(--paper); border: 2px solid var(--ink); }
.ecosystem__chain li.is-hub { font-family: var(--font-display); font-style: italic; color: var(--accent-deep); font-size: 1.4rem; font-weight: 400; }
.ecosystem__chain li.is-hub .ecosystem__chain-dot { background: var(--accent); border-color: var(--accent); }

/* ==========================================================================
   12. 04 CATEGORY GALLERY
   ========================================================================== */
.categories { padding-block: var(--section-py) var(--space-6); }
.categories__header { display: flex; justify-content: space-between; align-items: flex-end; gap: var(--space-5); flex-wrap: wrap; margin-bottom: var(--space-7); }
.categories__controls { display: flex; gap: var(--space-3); }
.gallery-nav { width: 46px; height: 46px; display: grid; place-items: center; background: none; border: 1px solid var(--border-strong); transition: border-color var(--transition-fast), background var(--transition-fast); }
.gallery-nav:hover { border-color: var(--ink); background: var(--surface); }
.gallery-nav svg { width: 18px; height: 18px; stroke: var(--ink); fill: none; stroke-width: 1.8; }
#galleryPrev svg { transform: scaleX(-1); }

.categories__gallery { display: flex; gap: var(--space-5); overflow-x: auto; scroll-snap-type: x mandatory; padding-inline: var(--container-pad); padding-bottom: var(--space-4); scrollbar-width: none; cursor: grab; }
.categories__gallery::-webkit-scrollbar { display: none; }
.categories__gallery.is-dragging { cursor: grabbing; scroll-snap-type: none; }
.gallery-item { flex: 0 0 auto; width: min(340px, 78vw); scroll-snap-align: start; }
.gallery-item__media { position: relative; aspect-ratio: 3 / 4; overflow: hidden; border: 1px solid var(--border); background: var(--surface-muted); }
.gallery-item__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 650ms cubic-bezier(0.4,0,0.2,1); }
.gallery-item:hover .gallery-item__media img { transform: scale(1.05); }
.gallery-item__caption { padding-top: var(--space-4); }
.gallery-item__index { font-size: 0.75rem; color: var(--accent); font-weight: 800; }
.gallery-item__caption h3 { font-size: 1.5rem; margin-block: var(--space-2); }
.gallery-item__caption p { color: var(--muted); font-size: 0.9rem; margin: 0; }

.gallery-progress { height: 2px; background: var(--border); position: relative; }
.gallery-progress__bar { position: absolute; left: 0; top: 0; height: 100%; background: var(--accent); width: 14%; transition: width 150ms ease, left 150ms ease; }

/* ==========================================================================
   13. 05 OPERATIONS (STICKY SCROLLYTELLING)
   ========================================================================== */
.operations { padding-block: var(--section-py); }
.operations__intro { max-width: 60ch; margin-bottom: var(--space-8); }
.operations__scroller { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: var(--space-9); }
.operations__sticky { position: sticky; top: calc(var(--header-height) + var(--space-6)); height: 64vh; align-self: start; overflow: hidden; border: 1px solid var(--border); }
.operations__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity 600ms ease; }
.operations__img.is-active { opacity: 1; }

.operations__narrative { display: flex; flex-direction: column; }
.operations__block { min-height: 60vh; display: flex; flex-direction: column; justify-content: center; opacity: 0.32; transition: opacity 500ms ease; border-top: 1px solid var(--border); padding-block: var(--space-6); }
.operations__block:first-child { border-top: none; }
.operations__block.is-active { opacity: 1; }
.operations__num { font-family: var(--font-display); font-style: italic; font-size: 1.6rem; color: var(--accent); margin-bottom: var(--space-3); }
.operations__block h3 { font-size: 1.75rem; margin-bottom: var(--space-3); font-family: var(--font-display); font-weight: 400; }
.operations__block p { color: var(--muted); max-width: 48ch; font-size: var(--text-md); }

/* ==========================================================================
   14. 06 TECHNOLOGY (BLUEPRINT GRID)
   ========================================================================== */
.technology { background: var(--ink); color: var(--paper); padding-block: var(--section-py); }
.tech-heading { color: var(--paper); }
.tech-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: rgba(255,255,255,0.14); border: 1px solid rgba(255,255,255,0.14); margin-top: var(--space-7); }
.tech-node { position: relative; background: var(--ink); padding: var(--space-6) var(--space-5); background-image: radial-gradient(rgba(255,255,255,0.07) 1px, transparent 1px); background-size: 16px 16px; }
.tech-node::before, .tech-node::after { content: ''; position: absolute; width: 10px; height: 10px; border-color: rgba(255,255,255,0.3); border-style: solid; }
.tech-node::before { top: 8px; left: 8px; border-width: 1px 0 0 1px; }
.tech-node::after { bottom: 8px; right: 8px; border-width: 0 1px 1px 0; }
.tech-node__code { display: block; font-size: 0.7rem; letter-spacing: 0.14em; font-weight: 800; color: var(--accent-on-dark); margin-bottom: var(--space-5); }
.tech-node__heading { display: flex; align-items: center; gap: var(--space-3); margin-bottom: var(--space-3); }
.tech-node svg { width: 24px; height: 24px; stroke: var(--paper); fill: none; stroke-width: 1.5; flex-shrink: 0; }
.tech-node h3 { color: var(--paper); font-size: 1.1rem; margin-bottom: 0; font-family: var(--font-body); font-weight: 700; }
.tech-node p { color: #b3a5aa; font-size: 0.9rem; margin: 0; }

/* ==========================================================================
   15. 07 PARTNERSHIP TABS
   ========================================================================== */
.partnerships { padding-block: var(--section-py); }
.partner-tabs { margin-top: var(--space-7); }
.partner-tabs__list { position: relative; display: flex; gap: var(--space-7); border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.partner-tabs__btn { background: none; border: none; padding-block: var(--space-4); font-weight: 700; font-size: var(--text-base); color: var(--muted); transition: color var(--transition-fast); }
.partner-tabs__btn.is-active, .partner-tabs__btn:hover { color: var(--ink); }
.partner-tabs__indicator { position: absolute; bottom: -1px; height: 2px; background: var(--accent); transition: left var(--transition-base), width var(--transition-base); }
.partner-tabs__body { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: var(--space-9); align-items: start; padding-top: var(--space-7); }
.partner-tabs__panels { max-width: 60ch; }
.partner-tabs__panel[hidden] { display: none; }
.partner-tabs__index { font-family: var(--font-display); font-style: italic; color: var(--accent); font-size: 1.1rem; margin-bottom: var(--space-4); }
.partner-tabs__text { font-size: var(--text-lg); line-height: var(--lh-relaxed); color: var(--ink-soft); margin-bottom: var(--space-6); }

.partner-tabs__media { position: relative; aspect-ratio: 4 / 3; border: 1px solid var(--border); overflow: hidden; }
.partner-tabs__media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity 500ms ease; }
.partner-tabs__media img.is-active { opacity: 1; }

/* ==========================================================================
   16. 08 BEHIND THE BUSINESS (COLLAGE)
   ========================================================================== */
.behind { padding-block: var(--section-py); }
.behind > .container { margin-bottom: var(--space-7); }
.behind__collage { display: grid; grid-template-columns: repeat(12, 1fr); grid-auto-rows: minmax(160px, 22vw); gap: var(--space-2); }
.behind__item { position: relative; overflow: hidden; border: 1px solid var(--border); margin: 0; }
.behind__item img { width: 100%; height: 100%; object-fit: cover; }
.behind__item figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: var(--space-5) var(--space-4) var(--space-4); color: var(--paper); font-weight: 700; display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2) var(--space-3); background: linear-gradient(to top, rgba(25,17,21,0.82), transparent 85%); }
.behind__item figcaption span { font-family: var(--font-body); font-size: 0.75rem; color: var(--accent-on-dark); }
.behind__item--a { grid-column: 1 / 7; grid-row: 1 / 3; }
.behind__item--b { grid-column: 7 / 13; grid-row: 1 / 2; }
.behind__item--c { grid-column: 7 / 10; grid-row: 2 / 3; }
.behind__item--d { grid-column: 10 / 13; grid-row: 2 / 3; }

/* ==========================================================================
   17. 09 INDUSTRY PERSPECTIVE
   ========================================================================== */
.perspective { padding-block: var(--section-py); }
.perspective__grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: var(--space-9); margin-top: var(--space-7); align-items: start; }
.perspective__feature { padding-right: var(--space-7); border-right: 1px solid var(--border); }
.perspective__tag { display: inline-block; font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); font-weight: 800; margin-bottom: var(--space-4); }
.perspective__feature h3 { font-size: clamp(1.75rem, 1.4rem + 1.6vw, 2.4rem); line-height: 1.25; margin-bottom: var(--space-4); }
.perspective__feature p { color: var(--muted); font-size: var(--text-md); line-height: var(--lh-relaxed); }
.perspective__list { display: flex; flex-direction: column; gap: var(--space-6); }
.perspective__list li { padding-bottom: var(--space-6); border-bottom: 1px solid var(--border); }
.perspective__list li:last-child { border-bottom: none; padding-bottom: 0; }
.perspective__list h4 { font-size: 1.3rem; margin-block: var(--space-2); font-weight: 400; }
.perspective__list p { color: var(--muted); font-size: 0.95rem; margin: 0; }

/* ==========================================================================
   18. 10 COMPANY STORY (TIMELINE)
   ========================================================================== */
.story { padding-block: var(--section-py); }
.story__body { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: var(--space-9); align-items: start; margin-top: var(--space-7); }
.story__timeline { position: relative; padding-left: 56px; }
.story__media { position: sticky; top: calc(var(--header-height) + var(--space-6)); aspect-ratio: 4 / 5; border: 1px solid var(--border); overflow: hidden; }
.story__media img { width: 100%; height: 100%; object-fit: cover; }
.story__track { position: absolute; left: 5px; top: 6px; bottom: 6px; width: 2px; background: var(--border-strong); overflow: hidden; }
.story__progress { position: absolute; top: 0; left: 0; width: 100%; height: 0%; background: var(--accent); }
.story__entries { display: flex; flex-direction: column; gap: var(--space-8); }
.story__entry { position: relative; }
.story__entry::before { content: ''; position: absolute; left: -56px; top: 4px; width: 12px; height: 12px; background: var(--paper); border: 2px solid var(--ink); border-radius: 50%; z-index: 1; }
.story__label { display: block; font-family: var(--font-display); font-style: italic; font-size: 1.6rem; color: var(--accent-deep); margin-bottom: var(--space-2); }
.story__entry p { color: var(--ink-soft); font-size: var(--text-md); line-height: var(--lh-relaxed); max-width: 56ch; margin: 0; }

/* ==========================================================================
   19. 11 TRUST (REGISTRY)
   ========================================================================== */
.trust { padding-block: var(--section-py); background: var(--surface-muted); }
.trust__grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: var(--space-9); align-items: start; }
.registry { display: flex; flex-direction: column; border-bottom: 1px solid var(--border); }
.registry__row { display: grid; grid-template-columns: 220px 1fr; gap: var(--space-6); padding-block: var(--space-5); border-top: 1px solid var(--border); }
.registry dt { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); font-weight: 800; }
.registry dd { margin: 0; font-size: var(--text-base); color: var(--ink-soft); }

/* ==========================================================================
   20. 12 CONTACT
   ========================================================================== */
.contact { padding-block: var(--section-py); }
.contact__grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: var(--space-9); align-items: start; }
.contact__intro h2 { margin-block: var(--space-4); }

.contact-details { margin-top: var(--space-7); display: flex; flex-direction: column; gap: var(--space-5); }
.contact-details__item { display: flex; gap: var(--space-4); align-items: flex-start; }
.contact-details__item svg { width: 20px; height: 20px; stroke: var(--accent); fill: none; stroke-width: 1.6; flex-shrink: 0; margin-top: 3px; }
.contact-details__item h3 { font-size: var(--text-sm); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: var(--space-1); color: var(--muted); font-family: var(--font-body); font-weight: 700; }
.contact-details__item p { margin: 0; }
.contact-details__item a { border-bottom: 1px solid var(--border-strong); transition: border-color var(--transition-fast); }
.contact-details__item a:hover { border-color: var(--ink); }

.inquiry-form { display: flex; flex-direction: column; gap: var(--space-6); padding-top: var(--space-4); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-6); }
.form-field { display: flex; flex-direction: column; gap: var(--space-2); }
.form-field label { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; font-weight: 700; color: var(--muted); }
.form-field label span { color: var(--error); }
.form-field input, .form-field select, .form-field textarea {
  border: none; border-bottom: 1.5px solid var(--border-strong); background: transparent;
  padding: 0.6rem 0.05rem; font-size: 1.05rem; border-radius: 0;
  transition: border-color var(--transition-fast);
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { outline: none; border-bottom-color: var(--accent); }
.form-field textarea { resize: vertical; min-height: 96px; }
.form-error { font-size: var(--text-xs); color: var(--error); min-height: 1em; }
.form-field.has-error input, .form-field.has-error select, .form-field.has-error textarea { border-bottom-color: var(--error); }
.form-note { font-size: var(--text-sm); text-align: center; margin: 0; min-height: 1.2em; }
.form-note.is-success { color: var(--success); }
.form-note.is-error { color: var(--error); }

/* ==========================================================================
   21. 13 FINAL STATEMENT
   ========================================================================== */
.statement { background: var(--ink); color: var(--paper); padding-block: var(--space-9); }
.statement__inner { text-align: center; max-width: 50rem; margin-inline: auto; }
.statement h2 { color: var(--paper); font-size: clamp(2.4rem, 1.7rem + 3.6vw, 5rem); line-height: 1.06; margin-bottom: var(--space-7); }
.statement h2 em { font-style: italic; color: var(--accent-on-dark); }

/* ==========================================================================
   22. FOOTER
   ========================================================================== */
.site-footer { background: var(--ink); color: #c7bcc0; padding-top: var(--space-9); border-top: 1px solid rgba(255,255,255,0.08); }
.footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr 1.2fr; gap: var(--space-6); padding-bottom: var(--space-8); }
.footer__brand p { color: #a8949a; font-size: var(--text-sm); max-width: 34ch; margin-block: var(--space-4) var(--space-5); }
.footer__email { margin: 0; }

.footer__col h3 { color: var(--paper); font-size: var(--text-sm); text-transform: uppercase; letter-spacing: 0.08em; font-family: var(--font-body); margin-bottom: var(--space-4); }
.footer__col ul { display: flex; flex-direction: column; gap: var(--space-3); }
.footer__col a { color: #a8949a; font-size: var(--text-sm); transition: color var(--transition-fast); }
.footer__col a:hover { color: var(--paper); }
.footer__col address { font-style: normal; color: #a8949a; font-size: var(--text-sm); line-height: var(--lh-relaxed); margin-bottom: var(--space-3); }

.footer__bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-block: var(--space-5); }
.footer__bottom-inner { display: flex; justify-content: center; align-items: center; gap: var(--space-4); flex-wrap: wrap; }
.footer__bottom p { margin: 0; font-size: var(--text-xs); color: #85757a; }

/* ==========================================================================
   23. UTILITIES
   ========================================================================== */
.lazy-img { transition: opacity 500ms ease; }
.lazy-img:not(.is-loaded) { opacity: 0; }
.lazy-img.is-loaded { opacity: 1; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity 700ms ease, transform 700ms ease; }
.reveal.in-view { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

.hero__kicker.reveal { transition-delay: 0ms; }
.hero__title.reveal { transition-delay: 90ms; }
.hero__desc.reveal { transition-delay: 180ms; }
.hero__actions.reveal { transition-delay: 270ms; }
.hero__meta.reveal { transition-delay: 340ms; }
.hero__media.reveal { transition-delay: 160ms; }

.back-to-top {
  position: fixed; right: var(--space-5); bottom: var(--space-5); z-index: var(--z-fab);
  width: 46px; height: 46px; display: grid; place-items: center;
  background: var(--ink); border: none; opacity: 0; pointer-events: none; transform: translateY(8px);
  transition: opacity var(--transition-base), transform var(--transition-base), background var(--transition-fast);
}
.back-to-top.is-visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.back-to-top:hover { background: var(--accent-deep); }
.back-to-top svg { width: 18px; height: 18px; stroke: var(--paper); fill: none; stroke-width: 2; }

/* ==========================================================================
   24. RESPONSIVE
   ========================================================================== */
@media (min-width: 1100px) {
  .hero__spine { display: block; }
}

@media (min-width: 1000px) {
  .identity__note { display: block; }
  .identity__note--a { top: -10px; left: -20px; }
  .identity__note--b { bottom: 6%; right: -70px; }
  .identity__note--c { top: 22%; right: -110px; }
}

@media (min-width: 860px) {
  .ecosystem__diagram { display: block; }
  .ecosystem__chain { display: none; }
}

@media (max-width: 999px) {
  .identity__inner { display: flex; flex-direction: column; gap: var(--space-3); text-align: center; }
  .identity__statement { order: 1; }
  .identity__note { order: 2; }
}

@media (max-width: 1100px) {
  .footer__grid { grid-template-columns: 1fr 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; margin-bottom: var(--space-4); }
  .behind__collage { grid-auto-rows: minmax(140px, 26vw); }
}

@media (max-width: 960px) {
  .hero__grid { grid-template-columns: 1fr; gap: var(--space-7); }
  .hero__media { order: -1; }
  .hero__title { font-size: clamp(2.6rem, 2rem + 4vw, 4rem); }

  .perspective__grid { grid-template-columns: 1fr; }
  .perspective__feature { border-right: none; border-bottom: 1px solid var(--border); padding-right: 0; padding-bottom: var(--space-7); }

  .trust__grid { grid-template-columns: 1fr; }
  .contact__grid { grid-template-columns: 1fr; gap: var(--space-7); }
  .partner-tabs__body { grid-template-columns: 1fr; gap: var(--space-7); }
  .partner-tabs__media { order: -1; aspect-ratio: 16 / 10; }

  .tech-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .operations__scroller { grid-template-columns: 1fr; }
  .operations__sticky { position: relative; height: auto; aspect-ratio: 4 / 3; margin-bottom: var(--space-6); }
  .operations__block { min-height: auto; padding-block: var(--space-5); opacity: 1; }

  .story__body { grid-template-columns: 1fr; gap: var(--space-6); }
  .story__media { position: relative; top: 0; aspect-ratio: 16 / 10; order: -1; }
}

@media (max-width: 760px) {
  :root { --header-height: 72px; }
  .chapter-indicator { display: none; }
  .menu-trigger__label { display: none; }
  .behind__collage { grid-template-columns: 1fr 1fr; grid-auto-rows: minmax(180px, 46vw); }
  .behind__item--a { grid-column: 1 / 3; grid-row: 1 / 2; }
  .behind__item--b { grid-column: 1 / 3; grid-row: 2 / 3; }
  .behind__item--c { grid-column: 1 / 2; grid-row: 3 / 4; }
  .behind__item--d { grid-column: 2 / 3; grid-row: 3 / 4; }
  .registry__row { grid-template-columns: 1fr; gap: var(--space-2); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .tech-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .form-row { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom-inner { gap: var(--space-2); }
  .index-link { gap: var(--space-4); }
  .site-index__foot { flex-direction: column; align-items: flex-start; }
}